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. 2016 Jun 28;30(4):1313–1321. doi: 10.1111/jvim.14371

Figure 3.

Figure 3

Immune‐mediated myositis (IMM) horse 2. (A) Major histocompatibility complex (MHC) I staining of mononuclear infiltrates that is so dense it obscures potential sarcolemmal MHC I staining. (B) MHC II staining of mononuclear infiltrates without evident MHC II sarcolemmal staining. (C) Immunohistochemical (IHC) staining of numerous CD4+ lymphocytes in the endomysium and within myofibers. (D) IHC staining of CD8+ lymphocytes in the endomysium. (E) IHC staining of a few CD20+ lymphocytes scattered in the endomysium. (F) Acid phosphatase staining of numerous macrophages (red aggregates) infiltrating myofibers.